Clinical trials
Volunteers clinical trials
Below are recruiting volunteers clinical trials, each written for real people, not researchers. We’re tracking 525 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07398222Recruiting
Stomach contents in tirzepatide users and fasting volunteers
This study uses an ultrasound to look at the stomach contents of people who are taking tirzepatide compared to those who are not. It will help doctors understand how this medication affects stomach emptying during fasting.
São Paulo, São PauloAges 18 years+ - NCT06826638Recruiting
Brain activity during arm exercises for MS and healthy volunteers
This study looks at brain activity during task-oriented arm exercises to understand how neurorehabilitation works. It may help people with multiple sclerosis (MS) and healthy volunteers improve motor function.
GenovaAges 18–60 - NCT06398340Recruiting
Can a wearable device track what you eat?
This study uses a wearable device (like a smartwatch) to see if it can track what you eat. You would wear the device for a few days and report your meals. It is for generally healthy adults.
LondonAges 18–65 - NCT07383974Recruiting
12-week study: how diet affects skin and health
This trial tests whether eating more fruits and vegetables for 12 weeks can improve your skin and how you feel physically. It uses a special light scanner to measure skin health.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT07386730RecruitingPhase 1
Psychedelic therapy study for older adults with low well-being
This study tests if a single dose of psilocybin (a psychedelic) or dextromethorphan (a cough suppressant) can improve well-being in healthy older adults who feel their well-being is below average. It aims to understand how these drugs might help boost mood and life satisfaction.
San Francisco, CaliforniaAges 50–85 - NCT07373366RecruitingPhase 2
Noninvasive brain stimulation for TBI patients and healthy volunteers
This trial tests whether a noninvasive brain stimulation technique can help people who have suffered a traumatic brain injury (TBI), specifically those with diffuse axonal injury (DAI). It also includes healthy volunteers for comparison.
São Paulo, São PauloAges Any age - NCT07371793RecruitingPhase 1/Phase 2
Study of BBI-001 for healthy people and those with iron overload
This trial tests an experimental drug called BBI-001. It first looks at safety in healthy volunteers, then tests whether it can help people with hereditary hemochromatosis, a condition where the body stores too much iron.
Sydney, New South WalesAges 18–70 - NCT07372703RecruitingPhase 1
Safety study of VV913 capsules in healthy Chinese men
This study tests a new capsule called VV913 in healthy male volunteers to see how safe it is and how the body processes it. It is a first-in-human trial in China to gather basic safety information.
Hefei, AnhuiAges 18–45 - NCT06841458Recruiting
Dietary supplement for hair growth in men with mild to moderate baldness
This study tests whether a dietary supplement helps hair growth in men with mild to moderate male pattern baldness. It lasts 6 months, and you will not know if you are getting the real supplement or a placebo.
Valencia, ValenciaAges 18–45 - NCT07362290Enrolling by invitation
Study of drug binding in the lungs using PET scan
This study uses a special PET scan to see how a drug (XBD173) binds to a protein in the lungs. It may help researchers understand inflammation in the lungs and find new ways to treat lung diseases.
LondonAges 25–75 - NCT07369908Recruiting
Ear stimulation for anxiety and emotion control
This study tests whether a gentle, non-invasive electrical stimulation on the ear (called taVNS) can help lower anxiety and improve how you manage your emotions. It’s for healthy people who want to explore a potential new way to support emotional well-being.
Chengdu, SichuanAges 18–30 - NCT06320106Recruiting
Navigating abilities in children with cerebral palsy
This study compares how children with cerebral palsy and their peers navigate spaces. It aims to understand differences in orientation and movement skills.
Bosisio Parini, LeccoAges 13 years+ - NCT07354607Recruiting
Does electrical stimulation improve blood flow?
This study tests whether a gentle, non-invasive electrical stimulation on the arms can increase blood flow. It may help people with circulation problems.
ChambéryAges 18 years+ - NCT07348692RecruitingPhase 3
Pneumonia vaccine study for healthy infants 2 months old
This study tests a new vaccine that protects against 21 types of bacteria that cause pneumonia and other infections. It is for healthy infants around 2 months old to see if it works as well as the current vaccine.
Fayetteville, ArkansasAges 1 month–3 months - NCT07347678RecruitingPhase 1
Safety study of RN5681 in healthy volunteers
This trial tests a new drug called RN5681 to see if it is safe and how the body processes it. It is for healthy people with certain cholesterol levels and may help people with high cholesterol or heart risk in the future.
Brisbane, QueenslandAges 18–65 - NCT07334808Recruiting
Testing grip strength sense reliability
This study measures how reliably a healthy young adult can sense their own grip force. It helps researchers understand how to assess hand proprioception, or your hand's ability to know its position and effort.
KütahyaAges 18–24 - NCT07317544RecruitingPhase 1/Phase 2
ABS-201 trial for hair loss in healthy adults
This trial tests a new medicine (ABS-201) in healthy people to see if it is safe and works for hair loss. It involves multiple doses and compares results based on whether you have the common type of hair loss called androgenetic alopecia.
Sydney, New South WalesAges 18–65 - NCT07317219Recruiting
Ayahuasca and esketamine on body image
This study tests how ayahuasca and esketamine affect how you see your body. Healthy volunteers are needed to help learn more.
Ribeirão Preto, São PauloAges 18–65 - NCT07322406Recruiting
Kaempferol absorption and processing in healthy adults
This study is testing how your body absorbs and processes kaempferol, a natural compound found in fruits and vegetables. It involves taking kaempferol and having blood and urine tests.
New York, New YorkAges 18–70 - NCT07319039Recruiting
Brain scan study of breathlessness in cancer, COPD, and heart failure
This study uses a brain scan (fMRI) to learn how the brain processes shortness of breath in people with advanced heart failure, COPD, or lung cancer. It aims to help doctors better understand and treat breathlessness.
Geneva, Canton of GenevaAges 18 years+ - NCT07317232Recruiting
Ayahuasca and Esketamine for Premenstrual Symptoms
This trial is testing whether a plant-based medicine called ayahuasca and a nasal spray (esketamine) can help with premenstrual symptoms. It's only for healthy people without any medical conditions.
Ribeirão PretoAges 18–65 - NCT06828393RecruitingPhase 1
Study of S-1117 in healthy volunteers
This study tests a new medicine called S-1117 in healthy volunteers to see how safe it is and how it works in the body. It is a first-in-human trial that helps researchers learn about the medication before testing it in people with a condition.
Adelaide, South AustraliaAges 18–65 - NCT07315451Enrolling by invitation
Measuring spine space with ultrasound in different body positions
This study compares two positions (lying on your side vs. sitting upright) for measuring the space between the bones in your lower back using ultrasound. It aims to find which position gives a clearer view, especially for people with a higher body mass index.
KocaeliAges 18 years+ - NCT07306754RecruitingPhase 1
A Safety Study of ABBV-243 in Healthy Adults
This study tests a new drug called ABBV-243 in healthy adults to see if it is safe and how the body processes it. Participation helps researchers understand the drug before studying it in people with a disease.
Grayslake, IllinoisAges 18–60
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Common questions
- Are there clinical trials for volunteers?
- Yes. Clin2 currently lists 525 recruiting volunteers studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a volunteers trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a volunteers trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.